Hiiii ....I'm a 18 year old girl.i was having normal periods till last april and my my cycle was almost 28 days.later on it go delayed and reached 30-35 days.i consulted a doctor and did ultra sound scan n found dat it is a starting stage of PCOS(small cystic areas in both the ovaries and the biggest one measures 8mm).i had tablets for 3 months.my doctor adviced me to stop the medicines and do exercise regularly.now i get periods after 30-33 days.should i consult the doctor again and start the medicines?